Universal Serial Bus - This is a port on a computer PC & Macs have them they are normally rectangular or square they also come in 1 other variation, USB devices are normaly plug and play compatible, a USB wire can carry electricty through it to power any devices using USB! Common devices which use USB are devices such as Digital cameras, scanners, mice, keyboards, Digital Video cameras, Flash Memory Sticks, and now devices such as sound cards!

Person A: how does this camera connect to my computer?

Person B: It connects using a USB cable which is plugged into the camera and the other end is pluged into the USB port on your computer

Un-Solicited Blowjob - When a girl (preferably) decides to suck your cock without any request, suggestion, hinting, or begging from you. A wholly independent action undertaken by a woman to put your johnson in her pie-hole.

"Dude, I was just watching the game on TV, and my sister's friend Shiela walked over and gave me the best USB!"